Anna University is a technical university in
Tamil Nadu , India . The main university campus is located in Guindy , Chennai . It was named after C N Annadurai , former Chief Minister of Tamil Nadu on 4 September 1978 . It became an affiliating university in 2001, absorbing all engineering colleges in Tamil Nadu. In 2007, it was split into six constituent universities namely Chennai ( campus) , Chennai , Coimbatore , Madurai,
Tiruchirappalli and Tirunelveli. On 14 September 2011, the constituents were merged back to a single affiliating university for engineering colleges in Tamil Nadu